/*
interface Iusb{
    void OpenDevice();
    void CloseDevice();

    static{

    }
    public Iusb(){

    }
}

class Mouse implements Iusb{
    int age;
    @Override
    public void OpenDevice() {

    }

    public Mouse(int age) {
        this.age = age;
    }

    @Override
    public void CloseDevice() {

    }
}


public class test {
    public static void main(String[] args) {
//        Iusb iusb = new Iusb();
    }
}
*/
